diff --git a/build/Avalonia.Desktop.props b/build/Avalonia.Desktop.props
index fb28b64..9f8c1b3 100644
--- a/build/Avalonia.Desktop.props
+++ b/build/Avalonia.Desktop.props
@@ -16,4 +16,4 @@
   <ItemGroup>
     <PackageReference Include="Serilog.Sinks.Trace" Version="2.1.0" />
   </ItemGroup>
-</Project>
+</Project>
\ No newline at end of file
diff --git a/build/Avalonia.props b/build/Avalonia.props
index 4f7754a..4de92b9 100644
--- a/build/Avalonia.props
+++ b/build/Avalonia.props
@@ -11,4 +11,4 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.CSharp" Version="4.5.0" />
   </ItemGroup>
-</Project>
+</Project>
\ No newline at end of file
diff --git a/build/Rx.props b/build/Rx.props
index 79d5e0d..0e0ac13 100644
--- a/build/Rx.props
+++ b/build/Rx.props
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
     <PackageReference Include="System.Reactive" Version="4.0.0" />
@@ -7,4 +8,4 @@
     <PackageReference Include="System.Reactive.PlatformServices" Version="4.0.0" />
     <PackageReference Condition="$(TargetFramework.StartsWith('net4'))" Include="System.Reactive.Windows.Threading" Version="4.0.0" />
   </ItemGroup>
-</Project>
+</Project>
\ No newline at end of file